Table 1.

Participant characteristics

CharacteristicMean (SD) or N (%)
Age, yr55 (12)
Men20 (69)
Race
 White15 (51)
 Black4 (14)
 Asian4 (14)
 Other6 (21)
Medical history
 Hypertension26 (96)
 Diabetes13 (48)
 Coronary artery disease10 (34)
 Congestive heart failure3 (11)
Clinical characteristics
 BMI, kg/m228 (5)
 Dialysis duration, mo4 (3)
 24-h urine volume, ml1350 (946)
PD-related data
 Continuous cycler–assisted PD27 (93)
 Continuous ambulatory PD2 (7)
 D/PCr Peritoneal Equilibration Test0.7 (0.1)
 24-h PD drain volume, ml8551 (2990)
 Mean fill volume continuous ambulatory PD, ml1750 (354)
 Mean fill volume continuous cycler–assisted PD, ml2067 (408)
 Total Kt/V2.25 (0.70)
Laboratory parameters
 GFRurea+Cr, ml/min per 1.73 m28 (5)
 Albumin, g/dl3.2 (0.6)
 Hemoglobin, g/dl10.5 (1.3)
 Bicarbonate, mEq/L22 (3)
 Parathyroid hormone, pg/ml396 (254)
 Phosphorous, mg/dl5.5 (1.7)
Medication use
 Diuretics8 (33)
 ACE-I/ARB9 (37)
 Phosphorous binders20 (83)
 Erythropoietin-stimulating agents18 (72)
  • Values are mean (SD) or number (percentage). BMI, body mass index; PD, peritoneal dialysis; D/PCr, ratio of dialysate to plasma creatinine concentration; ACE-I, angiotensin-converting enzyme inhibitor; ARB, angiotensin receptor blocker.